1 /* 2 * testlibusb.c 3 * 4 * Test suite program 5 */ 6 7 #include <stdio.h> 8 #include <string.h> 9 #include <usb.h> 10 11 int verbose = 0; 12 print_endpoint(struct usb_endpoint_descriptor * endpoint)13 void print_endpoint(struct usb_endpoint_descriptor *endpoint) 14 { 15 printf(" bEndpointAddress: %02xh\n", endpoint->bEndpointAddress); 16 printf(" bmAttributes: %02xh\n", endpoint->bmAttributes); 17 printf(" wMaxPacketSize: %d\n", endpoint->wMaxPacketSize); 18 printf(" bInterval: %d\n", endpoint->bInterval); 19 printf(" bRefresh: %d\n", endpoint->bRefresh); 20 printf(" bSynchAddress: %d\n", endpoint->bSynchAddress); 21 } 22 print_altsetting(struct usb_interface_descriptor * interface)23 void print_altsetting(struct usb_interface_descriptor *interface) 24 { 25 int i; 26 27 printf(" bInterfaceNumber: %d\n", interface->bInterfaceNumber); 28 printf(" bAlternateSetting: %d\n", interface->bAlternateSetting); 29 printf(" bNumEndpoints: %d\n", interface->bNumEndpoints); 30 printf(" bInterfaceClass: %d\n", interface->bInterfaceClass); 31 printf(" bInterfaceSubClass: %d\n", interface->bInterfaceSubClass); 32 printf(" bInterfaceProtocol: %d\n", interface->bInterfaceProtocol); 33 printf(" iInterface: %d\n", interface->iInterface); 34 35 for (i = 0; i < interface->bNumEndpoints; i++) 36 print_endpoint(&interface->endpoint[i]); 37 } 38 print_interface(struct usb_interface * interface)39 void print_interface(struct usb_interface *interface) 40 { 41 int i; 42 43 for (i = 0; i < interface->num_altsetting; i++) 44 print_altsetting(&interface->altsetting[i]); 45 } 46 print_configuration(struct usb_config_descriptor * config)47 void print_configuration(struct usb_config_descriptor *config) 48 { 49 int i; 50 51 printf(" wTotalLength: %d\n", config->wTotalLength); 52 printf(" bNumInterfaces: %d\n", config->bNumInterfaces); 53 printf(" bConfigurationValue: %d\n", config->bConfigurationValue); 54 printf(" iConfiguration: %d\n", config->iConfiguration); 55 printf(" bmAttributes: %02xh\n", config->bmAttributes); 56 printf(" MaxPower: %d\n", config->MaxPower); 57 58 for (i = 0; i < config->bNumInterfaces; i++) 59 print_interface(&config->interface[i]); 60 } 61 print_device(struct usb_device * dev,int level)62 int print_device(struct usb_device *dev, int level) 63 { 64 usb_dev_handle *udev; 65 char description[256]; 66 char string[256]; 67 int ret, i; 68 69 udev = usb_open(dev); 70 if (udev) { 71 if (dev->descriptor.iManufacturer) { 72 ret = usb_get_string_simple(udev, dev->descriptor.iManufacturer, string, sizeof(string)); 73 if (ret > 0) 74 snprintf(description, sizeof(description), "%s - ", string); 75 else 76 snprintf(description, sizeof(description), "%04X - ", 77 dev->descriptor.idVendor); 78 } else 79 snprintf(description, sizeof(description), "%04X - ", 80 dev->descriptor.idVendor); 81 82 if (dev->descriptor.iProduct) { 83 ret = usb_get_string_simple(udev, dev->descriptor.iProduct, string, sizeof(string)); 84 if (ret > 0) 85 snprintf(description + strlen(description), sizeof(description) - 86 strlen(description), "%s", string); 87 else 88 snprintf(description + strlen(description), sizeof(description) - 89 strlen(description), "%04X", dev->descriptor.idProduct); 90 } else 91 snprintf(description + strlen(description), sizeof(description) - 92 strlen(description), "%04X", dev->descriptor.idProduct); 93 94 } else 95 snprintf(description, sizeof(description), "%04X - %04X", 96 dev->descriptor.idVendor, dev->descriptor.idProduct); 97 98 printf("%.*sDev #%d: %s\n", level * 2, " ", dev->devnum, 99 description); 100 101 if (udev && verbose) { 102 if (dev->descriptor.iSerialNumber) { 103 ret = usb_get_string_simple(udev, dev->descriptor.iSerialNumber, string, sizeof(string)); 104 if (ret > 0) 105 printf("%.*s - Serial Number: %s\n", level * 2, 106 " ", string); 107 } 108 } 109 110 if (udev) 111 usb_close(udev); 112 113 if (verbose) { 114 if (!dev->config) { 115 printf(" Couldn't retrieve descriptors\n"); 116 return 0; 117 } 118 119 for (i = 0; i < dev->descriptor.bNumConfigurations; i++) 120 print_configuration(&dev->config[i]); 121 } else { 122 for (i = 0; i < dev->num_children; i++) 123 print_device(dev->children[i], level + 1); 124 } 125 126 return 0; 127 } 128 main(int argc,char * argv[])129 int main(int argc, char *argv[]) 130 { 131 struct usb_bus *bus; 132 133 if (argc > 1 && !strcmp(argv[1], "-v")) 134 verbose = 1; 135 136 usb_init(); 137 138 usb_find_busses(); 139 usb_find_devices(); 140 141 for (bus = usb_busses; bus; bus = bus->next) { 142 if (bus->root_dev && !verbose) 143 print_device(bus->root_dev, 0); 144 else { 145 struct usb_device *dev; 146 147 for (dev = bus->devices; dev; dev = dev->next) 148 print_device(dev, 0); 149 } 150 } 151 152 return 0; 153 } 154 155